80530276 has 6 divisors (see below), whose sum is σ = 140927990. Its totient is φ = 40265136.

The previous prime is 80530249. The next prime is 80530277. The reversal of 80530276 is 67203508.

It can be written as a sum of positive squares in only one way, i.e., 79032100 + 1498176 = 8890^2 + 1224^2 .

It is not an unprimeable number, because it can be changed into a prime (80530277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066281 + ... + 10066288.

Almost surely, 2^80530276 is an apocalyptic number.

It is an amenable number.

80530276 is a deficient number, since it is larger than the sum of its proper divisors (60397714).

80530276 is a wasteful number, since it uses less digits than its factorization.

80530276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20132573 (or 20132571 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 80530276 is about 8973.8662793692. The cubic root of 80530276 is about 431.8368797155.

The spelling of 80530276 in words is "eighty million, five hundred thirty thousand, two hundred seventy-six".